![Transistors are an essential building block used in almost every electronic device. Learn how small they can get in silicon wafers, GaAs wafers, and more. Transistors are an essential building block used in almost every electronic device. Learn how small they can get in silicon wafers, GaAs wafers, and more.](https://assets.website-files.com/60a3c1fc44c5715c395770e7/61a53fd0b21fc78201d911a0_Depositphotos_191674624_L%20(1).jpg)
Transistors are an essential building block used in almost every electronic device. Learn how small they can get in silicon wafers, GaAs wafers, and more.
![The single-atom transistor is here – the amazing evolution of microprocessors (infographic) - Pingdom The single-atom transistor is here – the amazing evolution of microprocessors (infographic) - Pingdom](https://www.pingdom.com/wp-content/uploads/2012/02/microprocessor-size.001.jpg)
The single-atom transistor is here – the amazing evolution of microprocessors (infographic) - Pingdom
![KIT - KIT - Media - Press Releases - Archive Press Releases - Smallest Transistor Worldwide Switches Current with a Single Atom in Solid Electrolyte KIT - KIT - Media - Press Releases - Archive Press Releases - Smallest Transistor Worldwide Switches Current with a Single Atom in Solid Electrolyte](https://www.kit.edu/img/pi/2018_097_Weltkleinster%20Transistor%20schaltet%20Strom%20mit%20einzelnem%20Atom%20in%20festem%20Elektrolyten_72dpi.jpg)